replica := utilpointer.Int32(2)
	rollbackTo := new(apps.RollbackConfig)
	rollbackTo.Revision = int64(2)
	testcases := map[string]struct {
		deployment1 *apps.Deployment
		deployment2 *v1beta2.Deployment
	}{
		"Deployment Conversion 1": {
			deployment1: &apps.Deployment{
				Spec: apps.DeploymentSpec{
					Replicas:   *replica,
					RollbackTo: rollbackTo,
					Template: api.PodTemplateSpec{
						Spec: api.PodSpec{

func (f *fixture) expectUpdateDeploymentStatusAction(d *apps.Deployment) {
	action := core.NewUpdateAction(schema.GroupVersionResource{Resource: "deployments"}, d.Namespace, d)
	action.Subresource = "status"
	f.actions = append(f.actions, action)
}

func (f *fixture) expectUpdateDeploymentAction(d *apps.Deployment) {
	action := core.NewUpdateAction(schema.GroupVersionResource{Resource: "deployments"}, d.Namespace, d)

		if resource.Resource == "deployments" {
			// co-locate deployments in all API groups
			return "/deployments"
		}
		return ""
	})
	mapper.RegisterKindFor(gvr("extensions", "v1beta1", "deployments"), "", gvk("extensions", "v1beta1", "Deployment"))
	mapper.RegisterKindFor(gvr("apps", "v1", "deployments"), "", gvk("apps", "v1", "Deployment"))

			deployment: deployment(5, intstr.FromInt32(10)),
			expected:   int32(5),
		},
		{
			name:       "maxUnavailable with replicas is 0",
			deployment: deployment(0, intstr.FromInt32(10)),
			expected:   int32(0),
		},
		{
			name: "maxUnavailable with Recreate deployment strategy",
			deployment: apps.Deployment{
				Spec: apps.DeploymentSpec{
					Strategy: apps.DeploymentStrategy{

type Echos struct {
	// NS is the list of echo namespaces.
	NS []EchoNamespace

	// External (out-of-mesh) deployments
	External External

	// All echo instances.
	All echo.Services
}

func (e *Echos) Echos() *Echos {
	return e
}

// New echo deployment with the given configuration.
func New(ctx resource.Context, cfg Config) (*Echos, error) {

		if resource.Resource == "deployments" {
			// co-locate deployments in all API groups
			return "/deployments"
		}
		return ""
	})
	mapper.RegisterKindFor(gvr("extensions", "v1beta1", "deployments"), "", gvk("extensions", "v1beta1", "Deployment"))
	mapper.RegisterKindFor(gvr("apps", "v1", "deployments"), "", gvk("apps", "v1", "Deployment"))

			testFn(ctx, svc)
		})
	}
}

// nDestinations splits the given deployments into subsets of size n. A deployment may be present in multiple subsets to
// ensure every deployment is included.
func nDestinations(ctx framework.TestContext, n int, deployments echo.Services) (out []echo.Services) {
	nDests := len(deployments)
	if nDests < n {

	logger.V(4).Info("Started syncing deployment", "deployment", klog.KRef(namespace, name), "startTime", startTime)
	defer func() {
		logger.V(4).Info("Finished syncing deployment", "deployment", klog.KRef(namespace, name), "duration", time.Since(startTime))
	}()

	deployment, err := dc.dLister.Deployments(namespace).Get(name)
	if errors.IsNotFound(err) {

	deploymentsClient := client.AppsV1().Deployments(metav1.NamespaceSystem)
	deployments, err := deploymentsClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "k8s-app=kube-dns"})
	if err != nil {
		return "", errors.Wrap(err, "couldn't retrieve DNS addon deployments")
	}

	switch len(deployments.Items) {
	case 0:
		return "", nil
	case 1:

	c := kube.NewFakeClient()
	deployments := kclient.New[*appsv1.Deployment](c)
	obj1 := &appsv1.Deployment{
		ObjectMeta: metav1.ObjectMeta{Name: "1", Namespace: "default"},
		Spec:       appsv1.DeploymentSpec{MinReadySeconds: 1},
	}
	clienttest.Wrap(t, deployments).Create(obj1)
	deployments.AddEventHandler(controllers.EventHandler[*appsv1.Deployment]{
		AddFunc: func(obj *appsv1.Deployment) {
			handled.Inc()
		},
	})